1. Department of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204, United States
2. Department of Polymer Engineering, University of Akron, Akron, Ohio 44325, United States
3. X-Ray Science Division, Argonne National Laboratory, Argonne, Illinois 60439, United States
4. Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
5. Material Science and Engineering Division, National Institute of Standards and Technology (NIST), Gaithersburg, Maryland 20899, United States